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[PATCH OLK-6.6 0/2] CVE-2024-56609
by Zicheng Qu 03 Jan '25

03 Jan '25

CVE-2024-56609 Ping-Ke Shih (2): wifi: mac80211: export ieee80211_purge_tx_queue() for drivers wifi: rtw88: use ieee80211_purge_tx_queue() to purge TX skb drivers/net/wireless/realtek/rtw88/sdio.c | 6 +++--- drivers/net/wireless/realtek/rtw88/usb.c | 5 +++-- include/net/mac80211.h | 13 +++++++++++++ net/mac80211/ieee80211_i.h | 2 -- net/mac80211/status.c | 1 + 5 files changed, 20 insertions(+), 7 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 0/2] The bugfix for LPM trie
by Tengda Wu 03 Jan '25

03 Jan '25

This is a small bugfix for bpf LPM trie. Hou Tao (2): bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie bpf: Handle in-place update for full LPM trie correctly kernel/bpf/lpm_trie.c | 44 +++++++++++++++++++++++++++++-------------- 1 file changed, 30 insertions(+), 14 deletions(-) -- 2.34.1

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[PATCH OLK-5.10 0/2] The bugfix for LPM trie
by Tengda Wu 03 Jan '25

03 Jan '25

This is a small bugfix for LPM trie. Hou Tao (2): bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie bpf: Handle in-place update for full LPM trie correctly kernel/bpf/lpm_trie.c | 44 +++++++++++++++++++++++++++++-------------- 1 file changed, 30 insertions(+), 14 deletions(-) -- 2.34.1

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[PATCH openEuler-22.03-LTS-SP1 0/1] CVE-2024-53158
by Lin Yujun 03 Jan '25

03 Jan '25

Dan Carpenter (1): soc: qcom: geni-se: fix array underflow in geni_se_clk_tbl_get() drivers/soc/qcom/qcom-geni-se.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.34.1

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[PATCH openEuler-1.0-LTS] netlink: terminate outstanding dump on socket close
by Wang Liang 03 Jan '25

03 Jan '25

From: Jakub Kicinski <kuba(a)kernel.org> stable inclusion from stable-v4.19.325 commit 114a61d8d94ae3a43b82446cf737fd757021b834 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IB956K CVE: CVE-2024-53140 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 1904fb9ebf911441f90a68e96b22aa73e4410505 ] Netlink supports iterative dumping of data. It provides the families the following ops: - start - (optional) kicks off the dumping process - dump - actual dump helper, keeps getting called until it returns 0 - done - (optional) pairs with .start, can be used for cleanup The whole process is asynchronous and the repeated calls to .dump don't actually happen in a tight loop, but rather are triggered in response to recvmsg() on the socket. This gives the user full control over the dump, but also means that the user can close the socket without getting to the end of the dump. To make sure .start is always paired with .done we check if there is an ongoing dump before freeing the socket, and if so call .done. The complication is that sockets can get freed from BH and .done is allowed to sleep. So we use a workqueue to defer the call, when needed. Unfortunately this does not work correctly. What we defer is not the cleanup but rather releasing a reference on the socket. We have no guarantee that we own the last reference, if someone else holds the socket they may release it in BH and we're back to square one. The whole dance, however, appears to be unnecessary. Only the user can interact with dumps, so we can clean up when socket is closed. And close always happens in process context. Some async code may still access the socket after close, queue notification skbs to it etc. but no dumps can start, end or otherwise make progress. Delete the workqueue and flush the dump state directly from the release handler. Note that further cleanup is possible in -next, for instance we now always call .done before releasing the main module reference, so dump doesn't have to take a reference of its own. Reported-by: syzkaller <syzkaller(a)googlegroups.com> Fixes: ed5d7788a934 ("netlink: Do not schedule work from sk_destruct") Reviewed-by: Kuniyuki Iwashima <kuniyu(a)amazon.com> Reviewed-by: Eric Dumazet <edumazet(a)google.com> Link: https://patch.msgid.link/20241106015235.2458807-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Liang <wangliang74(a)huawei.com> --- net/netlink/af_netlink.c | 31 ++++++++----------------------- net/netlink/af_netlink.h | 2 -- 2 files changed, 8 insertions(+), 25 deletions(-) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 766096493494..9f3cf7e5cce0 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -393,15 +393,6 @@ static void netlink_skb_set_owner_r(struct sk_buff *skb, struct sock *sk) static void netlink_sock_destruct(struct sock *sk) { - struct netlink_sock *nlk = nlk_sk(sk); - - if (nlk->cb_running) { - if (nlk->cb.done) - nlk->cb.done(&nlk->cb); - module_put(nlk->cb.module); - kfree_skb(nlk->cb.skb); - } - skb_queue_purge(&sk->sk_receive_queue); if (!sock_flag(sk, SOCK_DEAD)) { @@ -414,14 +405,6 @@ static void netlink_sock_destruct(struct sock *sk) WARN_ON(nlk_sk(sk)->groups); } -static void netlink_sock_destruct_work(struct work_struct *work) -{ - struct netlink_sock *nlk = container_of(work, struct netlink_sock, - work); - - sk_free(&nlk->sk); -} - /* This lock without WQ_FLAG_EXCLUSIVE is good on UP and it is _very_ bad on * SMP. Look, when several writers sleep and reader wakes them up, all but one * immediately hit write lock and grab all the cpus. Exclusive sleep solves @@ -738,12 +721,6 @@ static void deferred_put_nlk_sk(struct rcu_head *head) if (!refcount_dec_and_test(&sk->sk_refcnt)) return; - if (nlk->cb_running && nlk->cb.done) { - INIT_WORK(&nlk->work, netlink_sock_destruct_work); - schedule_work(&nlk->work); - return; - } - sk_free(sk); } @@ -793,6 +770,14 @@ static int netlink_release(struct socket *sock) NETLINK_URELEASE, &n); } + /* Terminate any outstanding dump */ + if (nlk->cb_running) { + if (nlk->cb.done) + nlk->cb.done(&nlk->cb); + module_put(nlk->cb.module); + kfree_skb(nlk->cb.skb); + } + module_put(nlk->module); if (netlink_is_kernel(sk)) { diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h index 962de7b3c023..c61e634693ea 100644 --- a/net/netlink/af_netlink.h +++ b/net/netlink/af_netlink.h @@ -4,7 +4,6 @@ #include <linux/rhashtable.h> #include <linux/atomic.h> -#include <linux/workqueue.h> #include <net/sock.h> /* flags */ @@ -45,7 +44,6 @@ struct netlink_sock { struct rhash_head node; struct rcu_head rcu; - struct work_struct work; }; static inline struct netlink_sock *nlk_sk(struct sock *sk) -- 2.34.1

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[openeuler:openEuler-1.0-LTS] BUILD REGRESSION 4c116febc8d53bc1f8f25a3d60db331f17ab8cd8
by kernel test robot 03 Jan '25

03 Jan '25

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 4c116febc8d53bc1f8f25a3d60db331f17ab8cd8 !14398 printk: Skip log flush in NMI context when logbuf_lock is held Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202501022347.2K2GsA8U-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202501030757.m59EWrOL-lkp@intel.com drivers/gpu/drm/phytium/phytium_debugfs.c:340:35-56: opportunity for str_yes_no(phytium_dp -> has_audio) drivers/gpu/drm/phytium/phytium_dp.c:1279:10-34: opportunity for str_enable_disable(mode == DRM_MODE_DPMS_ON) drivers/gpu/drm/phytium/phytium_panel.c:79:10-16: opportunity for str_enable_disable(enable) drivers/media/i2c/adv7511-v4l2.o: warning: objtool: adv7511_set_fmt()+0x805: unreachable instruction sound/pci/lola/lola_clock.o: warning: objtool: lola_sample_rate_convert()+0x46: can't find switch jump table Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | |-- kernel-sched-core.c:error:implicit-declaration-of-function-init_auto_affinity | |-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- arm64-defconfig | `-- net-ipv4-route.c:warning:array-subscript-is-outside-array-bounds-of-struct-fib_nh |-- arm64-randconfig-001-20250102 | |-- drivers-iommu-arm-smmu-v3.c:error:CONFIG_CMA_ALIGNMENT-undeclared-(first-use-in-this-function) | |-- drivers-misc-uacce-uacce.c:error:implicit-declaration-of-function-module_refcount | |-- fs-ocfs2-alloc.c:warning:array-subscript-idx-is-outside-array-bounds-of-struct-ocfs2_extent_rec | |-- fs-ocfs2-alloc.c:warning:array-subscript-tail_index-is-outside-array-bounds-of-struct-ocfs2_truncate_rec | |-- fs-ocfs2-xattr.c:warning:array-subscript-count-is-outside-array-bounds-of-struct-ocfs2_xattr_entry | |-- include-linux-kernel.h:error:first-argument-to-__builtin_choose_expr-not-a-constant | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | |-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled | `-- net-ipv4-route.c:warning:array-subscript-is-outside-array-bounds-of-struct-fib_nh |-- arm64-randconfig-002-20250102 | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_extra_data_size | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_write_extra_data | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_write_extra_phdrs | |-- aarch64-linux-ld:super.c:(.init.text):undefined-reference-to-__netlink_kernel_create | |-- aarch64-linux-ld:super.c:(.init.text):undefined-reference-to-init_net | |-- aarch64-linux-ld:super.c:(.text):undefined-reference-to-__nlmsg_put | |-- aarch64-linux-ld:super.c:(.text):undefined-reference-to-kfree_skb | |-- aarch64-linux-ld:super.c:(.text):undefined-reference-to-netlink_broadcast | |-- binfmt_elf32.c:(.text):undefined-reference-to-elf_core_extra_phdrs | |-- drivers-staging-gmjstcm-tcm_tis_spi.c:warning:tcm_tis_spi_acpi_match-defined-but-not-used | |-- super.c:(.exit.text):undefined-reference-to-netlink_kernel_release | |-- super.c:(.init.text):undefined-reference-to-init_net | `-- super.c:(.text):undefined-reference-to-__alloc_skb |-- arm64-randconfig-003-20250102 | |-- drivers-clocksource-arm_arch_timer.c:error:hisi_161010101_read_cntvct_el0-undeclared-(first-use-in-this-function) | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | |-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled | |-- sound-soc-codecs-88pm86-codec.c:warning:aif1_mux-defined-but-not-used | `-- sound-soc-codecs-88pm86-codec.c:warning:pcm_switch_controls-defined-but-not-used |-- arm64-randconfig-004-20250102 | |-- drivers-tty-serial-sc16is7xx.c:warning:label-err_i2c-defined-but-not-used | |-- kernel-sched-core.c:error:implicit-declaration-of-function-init_auto_affinity | |-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- arm64-randconfig-r064-20250103 | |-- drivers-clocksource-arm_arch_timer.c:error:hisi_161010101_read_cntvct_el0-undeclared-(first-use-in-this-function) | |-- drivers-gpu-drm-phytium-phytium_debugfs.c:opportunity-for-str_enabled_disabled(phytium_dp-panel-.-backlight_enabled) | |-- drivers-gpu-drm-phytium-phytium_debugfs.c:opportunity-for-str_enabled_disabled(phytium_dp-panel-.-power_enabled) | |-- drivers-gpu-drm-phytium-phytium_debugfs.c:opportunity-for-str_yes_no(phytium_dp-has_audio) | |-- drivers-gpu-drm-phytium-phytium_dp.c:opportunity-for-str_enable_disable(mode-DRM_MODE_DPMS_ON) | |-- drivers-gpu-drm-phytium-phytium_panel.c:opportunity-for-str_enable_disable(enable) | |-- drivers-misc-uacce-uacce.c:error:implicit-declaration-of-function-module_refcount | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- x86_64-allnoconfig | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-allyesconfig | |-- drivers-net-ethernet-hisilicon-hns3-hns3_extension-hns3_enet_it.c:warning:no-previous-prototype-for-function-hns3_nic_select_queue_it | `-- samples-vfio-mdev-.tmp_mdpy-fb.o:warning:objtool:missing-symbol-for-section-.init.text |-- x86_64-buildonly-randconfig-001-20250102 | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- x86_64-buildonly-randconfig-002-20250102 | |-- arch-x86-kernel-idt.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-char-tpm-eventlog-efi.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-char-tpm-eventlog-of.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-fpga-dfl-fme-mgr.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-gpu-drm-panel-panel-ilitek-ili9881c.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-hwmon-mlxreg-fan.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-hwtracing-intel_th-debug.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-iio-dac-ti-dac5571.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-iio-light-tsl2772.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-media-dvb-frontends-dvb-pll.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-media-dvb-frontends-lgdt33.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-media-dvb-frontends-mn88443x.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-media-tuners-qm1d1b0004.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-net-phy-mdio-mscc-miim.o:warning:objtool:missing-symbol-for-section-.init.text | |-- fs-autofs-init.o:warning:objtool:missing-symbol-for-section-.init.text | |-- fs-f2fs-recovery.o:warning:objtool:missing-symbol-for-section-.init.text | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | |-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled | `-- net-sched-sch_etf.o:warning:objtool:missing-symbol-for-section-.init.text |-- x86_64-buildonly-randconfig-003-20250102 | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- x86_64-buildonly-randconfig-004-20250102 | |-- drivers-media-i2c-adv7511-v4l2.o:warning:objtool:adv7511_set_fmt:unreachable-instruction | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | `-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-005-20250102 | |-- drivers-tty-serial-sc16is7xx.c:warning:label-err_i2c-defined-but-not-used | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled |-- x86_64-buildonly-randconfig-006-20250102 | |-- drivers-char-tpm-eventlog-.tmp_common.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-hwtracing-intel_th-.tmp_msu-sink.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-input-keyboard-.tmp_mtk-pmic-keys.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-mmc-core-.tmp_core.o:warning:objtool:missing-symbol-for-section-.exit.text | |-- drivers-staging-greybus-.tmp_core.o:warning:objtool:missing-symbol-for-section-.exit.text | |-- fs-notify-.tmp_fdinfo.o:warning:objtool:missing-symbol-for-section-.text | `-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration |-- x86_64-defconfig | |-- kernel-sched-pelt.o:warning:objtool:missing-symbol-for-section-.text | |-- net-ipv4-metrics.o:warning:objtool:missing-symbol-for-section-.text | `-- net-ipv4-netlink.o:warning:objtool:missing-symbol-for-section-.text |-- x86_64-randconfig-101-20250103 | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-randconfig-102-20250103 | `-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration |-- x86_64-randconfig-103-20250103 | `-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace |-- x86_64-randconfig-104-20250101 | `-- sound-pci-lola-lola_clock.o:warning:objtool:lola_sample_rate_convert:can-t-find-switch-jump-table |-- x86_64-randconfig-104-20250103 | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-randconfig-123-20250102 | `-- sound-usb-validate.c:sparse:sparse:restricted-__le16-degrades-to-integer |-- x86_64-randconfig-161-20250103 | |-- block-blk-io-hierarchy-debugfs.c:error:implicit-declaration-of-function-hierarchy_show_slow_io-Werror-Wimplicit-function-declaration | |-- drivers-gpu-drm-nouveau-nvkm-subdev-clk-nv50.o:warning:objtool:nv50_clk_read:can-t-find-switch-jump-table | |-- drivers-gpu-drm-nouveau-nvkm-subdev-therm-temp.o:warning:objtool:nvkm_therm_sensor_event:can-t-find-switch-jump-table | |-- drivers-media-i2c-saa7115.o:warning:objtool:saa711x_querystd:can-t-find-switch-jump-table | |-- drivers-of-dynamic.o:warning:objtool:of_reconfig_get_state_change:can-t-find-switch-jump-table | |-- fs-select.o:warning:objtool:poll_select_finish:can-t-find-switch-jump-table | |-- kernel-hung_task.c:error:use-of-undeclared-identifier-sysctl_hung_task_all_cpu_backtrace | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled-Werror-Wimplicit-function-declaration |-- x86_64-randconfig-r054-20250103 | |-- include-linux-kern_levels.h:warning:format-d-expects-argument-of-type-int-but-argument-has-type-long-unsigned-int | |-- include-linux-kern_levels.h:warning:format-lu-expects-argument-of-type-long-unsigned-int-but-argument-has-type-int | |-- include-linux-kern_levels.h:warning:format-lx-expects-argument-of-type-long-unsigned-int-but-argument-has-type-const-long-unsigned-int | |-- include-linux-kern_levels.h:warning:format-p-expects-a-matching-void-argument | |-- include-linux-kern_levels.h:warning:format-p-expects-argument-of-type-void-but-argument-has-type-long-unsigned-int | |-- kernel-sched-core.c:error:implicit-declaration-of-function-init_auto_affinity | |-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains | |-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa | `-- mm-vmscan.c:error:implicit-declaration-of-function-kernel_swap_enabled `-- x86_64-randconfig-r062-20250103 |-- block-blk-throttle.c:preceding-lock-on-line |-- kernel-sched-core.c:error:implicit-declaration-of-function-init_auto_affinity |-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains |-- kernel-sched-debug.c:error:struct-dyn_affinity_stats-has-no-member-named-nr_wakeups_force_preferred_cpus `-- kernel-sched-debug.c:error:struct-dyn_affinity_stats-has-no-member-named-nr_wakeups_preferred_cpus elapsed time: 725m configs tested: 16 configs skipped: 128 tested configs: arm64 allmodconfig gcc-14.2.0 arm64 allnoconfig gcc-14.2.0 arm64 defconfig gcc-14.2.0 arm64 randconfig-001-20250102 gcc-14.2.0 arm64 randconfig-002-20250102 gcc-14.2.0 arm64 randconfig-003-20250102 gcc-14.2.0 arm64 randconfig-004-20250102 gcc-14.2.0 x86_64 allnoconfig clang-19 x86_64 allyesconfig clang-19 x86_64 buildonly-randconfig-001-20250102 gcc-12 x86_64 buildonly-randconfig-002-20250102 gcc-12 x86_64 buildonly-randconfig-003-20250102 gcc-12 x86_64 buildonly-randconfig-004-20250102 clang-19 x86_64 buildonly-randconfig-005-20250102 gcc-12 x86_64 buildonly-randconfig-006-20250102 clang-19 x86_64 defconfig gcc-11 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6] bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog
by Pu Lehui 03 Jan '25

03 Jan '25

From: Jiri Olsa <jolsa(a)kernel.org> stable inclusion from stable-v6.6.67 commit c2b6b47662d5f2dfce92e5ffbdcac8229f321d9d category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBEAN1 CVE: CVE-2024-56665 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 978c4486cca5c7b9253d3ab98a88c8e769cb9bbd upstream. Syzbot reported [1] crash that happens for following tracing scenario: - create tracepoint perf event with attr.inherit=1, attach it to the process and set bpf program to it - attached process forks -> chid creates inherited event the new child event shares the parent's bpf program and tp_event (hence prog_array) which is global for tracepoint - exit both process and its child -> release both events - first perf_event_detach_bpf_prog call will release tp_event->prog_array and second perf_event_detach_bpf_prog will crash, because tp_event->prog_array is NULL The fix makes sure the perf_event_detach_bpf_prog checks prog_array is valid before it tries to remove the bpf program from it. [1] https://lore.kernel.org/bpf/Z1MR6dCIKajNS6nU@krava/T/#m91dbf0688221ec7a7fc9… Fixes: 0ee288e69d03 ("bpf,perf: Fix perf_event_detach_bpf_prog error handling") Reported-by: syzbot+2e0d2840414ce817aaac(a)syzkaller.appspotmail.com Signed-off-by: Jiri Olsa <jolsa(a)kernel.org> Signed-off-by: Andrii Nakryiko <andrii(a)kernel.org> Link: https://lore.kernel.org/bpf/20241208142507.1207698-1-jolsa@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Pu Lehui <pulehui(a)huawei.com> --- kernel/trace/bpf_trace.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index b084fe1dbe12..4485f5f383cc 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -2216,6 +2216,9 @@ void perf_event_detach_bpf_prog(struct perf_event *event) goto unlock; old_array = bpf_event_rcu_dereference(event->tp_event->prog_array); + if (!old_array) + goto put; + ret = bpf_prog_array_copy(old_array, event->prog, NULL, 0, &new_array); if (ret < 0) { bpf_prog_array_delete_safe(old_array, event->prog); @@ -2224,6 +2227,7 @@ void perf_event_detach_bpf_prog(struct perf_event *event) bpf_prog_array_free_sleepable(old_array); } +put: /* * It could be that the bpf_prog is not sleepable (and will be freed * via normal RCU), but is called from a point that supports sleepable -- 2.34.1

2 1

[openeuler:OLK-6.6] BUILD REGRESSION c2f1662c3fb301fe7ba127fe06c14538112982d4
by kernel test robot 03 Jan '25

03 Jan '25

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: c2f1662c3fb301fe7ba127fe06c14538112982d4 !14102 OLK-6.6-fix-CVE-2024-49906 Error/Warning (recently discovered and may have been fixed): ./samples/trace_events/trace_custom_sched.c: 11 linux/version.h not needed. drivers/net/ethernet/huawei/hinic/hinic_lld.c:2138:10: error: use of undeclared identifier 'disable_vf_load' Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-CRYPTO_DRBG_CTR-when-selected-by-CRYPTO_DEV_HISI_TRNG | `-- kismet:WARNING:unmet-direct-dependencies-detected-for-HALTPOLL_CPUIDLE-when-selected-by-ARM64 |-- arm64-randconfig-001-20241231 | `-- drivers-net-ethernet-huawei-hinic-hinic_lld.c:error:use-of-undeclared-identifier-disable_vf_load |-- loongarch-allmodconfig | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- arch-loongarch-kvm-intc-pch_pic.c:warning:variable-ret-set-but-not-used | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-e-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-irq_source_id-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-kvm-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-level-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-line_status-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpu-set-but-not-used | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpus-set-but-not-used | |-- drivers-iommu-loongarch_iommu.c:warning:Function-parameter-or-member-ivrs-not-described-in-get_highest_supported_ivhd_type | |-- drivers-iommu-loongarch_iommu.c:warning:la_iommu_setup-defined-but-not-used | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-check_device_compat | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-create_rlookup_entry | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_attach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_deattach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-find_iommu_by_dev | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-get_iommu_info_from_dom | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-iommu_init_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-la_iommu_probe_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-lookup_rlooptable | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-loongarch_get_iommu_by_devid | |-- drivers-scsi-leapioraid-leapioraid_func.c:warning:mq-poll-directive-output-may-be-truncated-writing-bytes-into-a-region-of-size-between-and | |-- drivers-scsi-leapioraid-leapioraid_func.c:warning:u-directive-output-may-be-truncated-writing-between-and-bytes-into-a-region-of-size-between-and | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | `-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc |-- loongarch-allnoconfig | |-- arch-loongarch-kernel-efi.c:error:implicit-declaration-of-function-pmd_mkhuge | |-- arch-loongarch-kernel-efi.c:error:incompatible-types-when-assigning-to-type-pmd_t-from-type-int | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | `-- include-linux-suspend.h:error:expected-)-before-numeric-constant |-- loongarch-allyesconfig | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- arch-loongarch-kvm-intc-pch_pic.c:warning:variable-ret-set-but-not-used | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-e-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-irq_source_id-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-kvm-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-level-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-line_status-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpu-set-but-not-used | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpus-set-but-not-used | |-- drivers-iommu-loongarch_iommu.c:warning:Function-parameter-or-member-ivrs-not-described-in-get_highest_supported_ivhd_type | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-check_device_compat | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-create_rlookup_entry | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_attach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_deattach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-find_iommu_by_dev | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-get_iommu_info_from_dom | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-iommu_init_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-la_iommu_probe_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-lookup_rlooptable | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-loongarch_get_iommu_by_devid | |-- drivers-scsi-leapioraid-leapioraid_func.c:warning:mq-poll-directive-output-may-be-truncated-writing-bytes-into-a-region-of-size-between-and | |-- drivers-scsi-leapioraid-leapioraid_func.c:warning:u-directive-output-may-be-truncated-writing-between-and-bytes-into-a-region-of-size-between-and | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | `-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc |-- loongarch-defconfig | |-- arch-loongarch-kvm-intc-pch_pic.c:warning:variable-ret-set-but-not-used | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-e-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-irq_source_id-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-kvm-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-level-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-line_status-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpu-set-but-not-used | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpus-set-but-not-used | |-- drivers-iommu-loongarch_iommu.c:warning:Function-parameter-or-member-ivrs-not-described-in-get_highest_supported_ivhd_type | |-- drivers-iommu-loongarch_iommu.c:warning:la_iommu_setup-defined-but-not-used | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-check_device_compat | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-create_rlookup_entry | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_attach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-domain_deattach_iommu | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-find_iommu_by_dev | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-get_iommu_info_from_dom | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-iommu_init_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-la_iommu_probe_device | |-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-lookup_rlooptable | `-- drivers-iommu-loongarch_iommu.c:warning:no-previous-prototype-for-loongarch_get_iommu_by_devid |-- loongarch-randconfig-001-20250102 | |-- arch-loongarch-kernel-efi.c:error:implicit-declaration-of-function-pmd_mkhuge | |-- arch-loongarch-kernel-efi.c:error:incompatible-types-when-assigning-to-type-pmd_t-from-type-int | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- arch-loongarch-kvm-intc-pch_pic.c:warning:variable-ret-set-but-not-used | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-e-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-irq_source_id-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-kvm-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-level-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-line_status-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpu-set-but-not-used | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpus-set-but-not-used | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | |-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc | `-- include-linux-suspend.h:error:expected-)-before-numeric-constant |-- loongarch-randconfig-002-20250102 | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | `-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc |-- loongarch-randconfig-r052-20250103 | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- arch-loongarch-kernel-smp.c:WARNING:Unsigned-expression-compared-with-zero:cpu | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | |-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc | `-- include-linux-suspend.h:error:expected-)-before-numeric-constant |-- loongarch-randconfig-r112-20250103 | |-- arch-loongarch-kernel-dma.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-const-volatile-noderef-__iomem-addr-got-void-volatile | |-- arch-loongarch-kernel-efi.c:error:implicit-declaration-of-function-pmd_mkhuge | |-- arch-loongarch-kernel-efi.c:error:incompatible-types-when-assigning-to-type-pmd_t-from-type-int | |-- arch-loongarch-kernel-kfpu.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-bool-noderef-__percpu | |-- arch-loongarch-kernel-legacy_boot.c:sparse:sparse:symbol-pchlpc_default-was-not-declared.-Should-it-be-static | |-- arch-loongarch-kernel-paravirt.c:error:KVM_HCALL_FUNC_PV_IPI-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:mp_ops-undeclared-(first-use-in-this-function) | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-paravt_steal_clock | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-parse_no_stealacc | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_cpu_reboot | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_disable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_enable_steal_time | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_nb | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_reboot_notify | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_down_prepare | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_cpu_online | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-pv_time_init | |-- arch-loongarch-kernel-paravirt.c:error:redefinition-of-steal_acc | |-- arch-loongarch-kernel-paravirt.c:warning:paravt_steal_clock-defined-but-not-used | |-- arch-loongarch-kvm-intc-pch_pic.c:warning:variable-ret-set-but-not-used | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-e-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-irq_source_id-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-kvm-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-level-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-irqfd.c:warning:Function-parameter-or-member-line_status-not-described-in-kvm_set_msi | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpu-set-but-not-used | |-- arch-loongarch-kvm-vm.c:warning:variable-vcpus-set-but-not-used | |-- drivers-acpi-pptt.c:sparse:sparse:symbol-acpi_pptt_for_each_container-was-not-declared.-Should-it-be-static | |-- drivers-char-loongson_se.c:sparse:sparse:incorrect-type-in-argument-(different-modifiers)-expected-struct-miscdevice-misc-got-struct-miscdevice-const | |-- drivers-char-lsse_sdf_cdev.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-char-buf-got-char-noderef-__user-buf | |-- drivers-char-lsse_sdf_cdev.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-char-const-buf-got-char-const-noderef-__user-buf | |-- drivers-char-lsse_sdf_cdev.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-const-noderef-__user-from-got-char-const-buf | |-- drivers-char-lsse_sdf_cdev.c:sparse:sparse:incorrect-type-in-argument-(different-modifiers)-expected-struct-miscdevice-misc-got-struct-miscdevice-const | |-- drivers-pci-controller-pci-loongson.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-volatile-noderef-__iomem-addr-got-void-volatile | |-- include-linux-cpuidle.h:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-int-noderef-__percpu | |-- include-linux-cpuidle.h:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-unsigned-int-noderef-__percpu | |-- include-linux-entry-common.h:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-int-noderef-__percpu | |-- include-linux-entry-common.h:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-unsigned-int-noderef-__percpu | |-- include-linux-init.h:error:redefinition-of-parse_no_stealacc | |-- include-linux-init.h:error:redefinition-of-str_parse_no_stealacc | |-- mm-gup.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-int-noderef-__percpu | |-- mm-gup.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-unsigned-int-noderef-__percpu | `-- mm-show_mem.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-ptr-got-int-noderef-__percpu |-- x86_64-allnoconfig | |-- drivers-scsi-leapioraid-leapioraid_app.c:leapioraid_func.h-is-included-more-than-once. | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-ACPI_HOTPLUG_IGNORE_OSC-when-selected-by-X86 | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-VFIO_MDEV-when-selected-by-CRYPTO_DEV_HCT | `-- samples-trace_events-trace_custom_sched.c:linux-version.h-not-needed. |-- x86_64-allyesconfig | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-sm3_generic_block_fn | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-zx_sm3_finup | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-zx_sm3_update | |-- arch-x86-crypto-sm4-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-gmi_sm4_set_key | |-- arch-x86-kernel-cpu-hygon.c:warning:no-previous-prototype-for-function-get_nt_block_copy_mini_len | |-- arch-x86-kernel-cpu-hygon.c:warning:no-previous-prototype-for-function-set_c86_features_para_invalid | |-- arch-x86-kernel-fpu-core.c:warning:no-previous-prototype-for-function-get_fpustate_free_space | |-- arch-x86-kvm-svm-csv.c:warning:no-previous-prototype-for-function-csv_vm_attestation | |-- arch-x86-kvm-svm-sev.c:warning:no-previous-prototype-for-function-sev_install_hooks | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-add_sgpio_zhaoxin | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_wait_em_reset | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio_gpmode | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-remove_sgpio_zhaoxin | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-set_em_messages | |-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_topology.c:warning:stack-frame-size-()-exceeds-limit-()-in-kfd_topology_add_device | |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dml-calcs-dcn_calc_auto.c:warning:stack-frame-size-()-exceeds-limit-()-in-mode_support_and_system_configuration | |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dml-dcn30-display_mode_vba_30.c:warning:stack-frame-size-()-exceeds-limit-()-in-dml30_ModeSupportAndSystemConfigurationFull | |-- net-ipv4-tcp_comp.c:warning:no-previous-prototype-for-function-comp_setup_strp | `-- net-ipv4-tcp_comp.c:warning:no-previous-prototype-for-function-comp_stream_read |-- x86_64-buildonly-randconfig-001-20250102 | `-- vmlinux.o:warning:objtool:.text:unreachable-instruction |-- x86_64-buildonly-randconfig-002-20250102 | `-- kernel-sched-isolation.c:error:setup_max_cpus-undeclared-(first-use-in-this-function) |-- x86_64-buildonly-randconfig-004-20250102 | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-add_sgpio_zhaoxin | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_wait_em_reset | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio_gpmode | |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-remove_sgpio_zhaoxin | `-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-set_em_messages |-- x86_64-buildonly-randconfig-005-20250102 | `-- kernel-sched-isolation.c:error:setup_max_cpus-undeclared-(first-use-in-this-function) `-- x86_64-randconfig-161-20250103 |-- drivers-ata-ahci_zhaoxin_sgpio.c-ahci_wait_em_reset()-warn:variable-dereferenced-before-check-sgpio_zhaoxin-(see-line-) |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-add_sgpio_zhaoxin |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_wait_em_reset |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-ahci_zhaoxin_set_em_sgpio_gpmode |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-remove_sgpio_zhaoxin |-- drivers-ata-ahci_zhaoxin_sgpio.c:warning:no-previous-prototype-for-function-set_em_messages |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn32-dcn32_hwseq.c-dcn32_apply_idle_power_optimizations()-warn:variable-dereferenced-before-check-dc-current_state-(see-line-) |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-link-link_dpms.c-link_set_dpms_on()-warn:if-statement-not-indented `-- drivers-gpu-drm-amd-amdgpu-..-display-dc-link-protocols-link_dp_training_dpia.c-dpia_training_eq_non_transparent()-error:uninitialized-symbol-wait_time_microsec-. elapsed time: 722m configs tested: 21 configs skipped: 124 tested configs: arm64 allmodconfig clang-18 arm64 allnoconfig gcc-14.2.0 arm64 defconfig gcc-14.2.0 arm64 randconfig-001-20250102 clang-20 arm64 randconfig-002-20250102 gcc-14.2.0 arm64 randconfig-003-20250102 clang-20 arm64 randconfig-004-20250102 gcc-14.2.0 loongarch allmodconfig gcc-14.2.0 loongarch allnoconfig gcc-14.2.0 loongarch defconfig gcc-14.2.0 loongarch randconfig-001-20250102 gcc-14.2.0 loongarch randconfig-002-20250102 gcc-14.2.0 x86_64 allnoconfig clang-19 x86_64 allyesconfig clang-19 x86_64 buildonly-randconfig-001-20250102 gcc-12 x86_64 buildonly-randconfig-002-20250102 gcc-12 x86_64 buildonly-randconfig-003-20250102 gcc-12 x86_64 buildonly-randconfig-004-20250102 clang-19 x86_64 buildonly-randconfig-005-20250102 gcc-12 x86_64 buildonly-randconfig-006-20250102 clang-19 x86_64 defconfig gcc-11 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 1365/1365] kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus'
by kernel test robot 03 Jan '25

03 Jan '25

Hi Hui, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 4c116febc8d53bc1f8f25a3d60db331f17ab8cd8 commit: ebca52abe099caa97d7669d0acc71209ea80cfec [1365/1365] sched: Add statistics for scheduler dynamic affinity config: x86_64-randconfig-r062-20250103 (https://download.01.org/0day-ci/archive/20250103/202501030826.kEDgBIqw-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501030826.kEDgBIqw-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202501030826.kEDgBIqw-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/debug.c:815:6: warning: no previous prototype for 'sysrq_sched_debug_tidy' [-Wmissing-prototypes] 815 | void sysrq_sched_debug_tidy(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/debug.c: In function 'proc_sched_show_task': >> kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ In file included from include/linux/kernel.h:14, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/sched.h:12, from kernel/sched/sched.h:5, from kernel/sched/debug.c:12: >> kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ >> kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ >> kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ In file included from include/linux/migrate.h:6, from kernel/sched/sched.h:52: include/linux/mempolicy.h: At top level: include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ vim +990 kernel/sched/debug.c 814 > 815 void sysrq_sched_debug_tidy(void) 816 { 817 int cpu; 818 819 SEQ_printf(NULL, "Sched Debug Version: v0.11, %s %.*s\n", 820 init_utsname()->release, 821 (int)strcspn(init_utsname()->version, " "), 822 init_utsname()->version); 823 824 for_each_online_cpu(cpu) 825 print_cpu_tidy(NULL, cpu); 826 } 827 828 /* 829 * This itererator needs some explanation. 830 * It returns 1 for the header position. 831 * This means 2 is CPU 0. 832 * In a hotplugged system some CPUs, including CPU 0, may be missing so we have 833 * to use cpumask_* to iterate over the CPUs. 834 */ 835 static void *sched_debug_start(struct seq_file *file, loff_t *offset) 836 { 837 unsigned long n = *offset; 838 839 if (n == 0) 840 return (void *) 1; 841 842 n--; 843 844 if (n > 0) 845 n = cpumask_next(n - 1, cpu_online_mask); 846 else 847 n = cpumask_first(cpu_online_mask); 848 849 *offset = n + 1; 850 851 if (n < nr_cpu_ids) 852 return (void *)(unsigned long)(n + 2); 853 854 return NULL; 855 } 856 857 static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset) 858 { 859 (*offset)++; 860 return sched_debug_start(file, offset); 861 } 862 863 static void sched_debug_stop(struct seq_file *file, void *data) 864 { 865 } 866 867 static const struct seq_operations sched_debug_sops = { 868 .start = sched_debug_start, 869 .next = sched_debug_next, 870 .stop = sched_debug_stop, 871 .show = sched_debug_show, 872 }; 873 874 static int __init init_sched_debug_procfs(void) 875 { 876 if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops)) 877 return -ENOMEM; 878 return 0; 879 } 880 881 __initcall(init_sched_debug_procfs); 882 883 #define __P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) 884 #define P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) 885 #define __PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) 886 #define PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) 887 888 889 #ifdef CONFIG_NUMA_BALANCING 890 void print_numa_stats(struct seq_file *m, int node, unsigned long tsf, 891 unsigned long tpf, unsigned long gsf, unsigned long gpf) 892 { 893 SEQ_printf(m, "numa_faults node=%d ", node); 894 SEQ_printf(m, "task_private=%lu task_shared=%lu ", tpf, tsf); 895 SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gpf, gsf); 896 } 897 #endif 898 899 900 static void sched_show_numa(struct task_struct *p, struct seq_file *m) 901 { 902 #ifdef CONFIG_NUMA_BALANCING 903 struct mempolicy *pol; 904 905 if (p->mm) 906 P(mm->numa_scan_seq); 907 908 task_lock(p); 909 pol = p->mempolicy; 910 if (pol && !(pol->flags & MPOL_F_MORON)) 911 pol = NULL; 912 mpol_get(pol); 913 task_unlock(p); 914 915 P(numa_pages_migrated); 916 P(numa_preferred_nid); 917 P(total_numa_faults); 918 SEQ_printf(m, "current_node=%d, numa_group_id=%d\n", 919 task_node(p), task_numa_group_id(p)); 920 show_numa_stats(p, m); 921 mpol_put(pol); 922 #endif 923 } 924 925 void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, 926 struct seq_file *m) 927 { 928 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY 929 struct dyn_affinity_stats *dyn_affi = p->se.dyn_affi_stats; 930 #endif 931 unsigned long nr_switches; 932 933 SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns), 934 get_nr_threads(p)); 935 SEQ_printf(m, 936 "---------------------------------------------------------" 937 "----------\n"); 938 #define __P(F) \ > 939 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) 940 #define P(F) \ 941 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) 942 #define P_SCHEDSTAT(F) \ 943 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) 944 #define __PN(F) \ 945 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) 946 #define PN(F) \ 947 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) 948 #define PN_SCHEDSTAT(F) \ 949 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) 950 951 PN(se.exec_start); 952 PN(se.vruntime); 953 PN(se.sum_exec_runtime); 954 955 nr_switches = p->nvcsw + p->nivcsw; 956 957 P(se.nr_migrations); 958 959 if (schedstat_enabled()) { 960 u64 avg_atom, avg_per_cpu; 961 962 PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); 963 PN_SCHEDSTAT(se.statistics.wait_start); 964 PN_SCHEDSTAT(se.statistics.sleep_start); 965 PN_SCHEDSTAT(se.statistics.block_start); 966 PN_SCHEDSTAT(se.statistics.sleep_max); 967 PN_SCHEDSTAT(se.statistics.block_max); 968 PN_SCHEDSTAT(se.statistics.exec_max); 969 PN_SCHEDSTAT(se.statistics.slice_max); 970 PN_SCHEDSTAT(se.statistics.wait_max); 971 PN_SCHEDSTAT(se.statistics.wait_sum); 972 P_SCHEDSTAT(se.statistics.wait_count); 973 PN_SCHEDSTAT(se.statistics.iowait_sum); 974 P_SCHEDSTAT(se.statistics.iowait_count); 975 P_SCHEDSTAT(se.statistics.nr_migrations_cold); 976 P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); 977 P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); 978 P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); 979 P_SCHEDSTAT(se.statistics.nr_forced_migrations); 980 P_SCHEDSTAT(se.statistics.nr_wakeups); 981 P_SCHEDSTAT(se.statistics.nr_wakeups_sync); 982 P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); 983 P_SCHEDSTAT(se.statistics.nr_wakeups_local); 984 P_SCHEDSTAT(se.statistics.nr_wakeups_remote); 985 P_SCHEDSTAT(se.statistics.nr_wakeups_affine); 986 P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); 987 P_SCHEDSTAT(se.statistics.nr_wakeups_passive); 988 P_SCHEDSTAT(se.statistics.nr_wakeups_idle); 989 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY > 990 __P(dyn_affi->nr_wakeups_preferred_cpus); > 991 __P(dyn_affi->nr_wakeups_force_preferred_cpus); 992 #endif 993 994 avg_atom = p->se.sum_exec_runtime; 995 if (nr_switches) 996 avg_atom = div64_ul(avg_atom, nr_switches); 997 else 998 avg_atom = -1LL; 999 1000 avg_per_cpu = p->se.sum_exec_runtime; 1001 if (p->se.nr_migrations) { 1002 avg_per_cpu = div64_u64(avg_per_cpu, 1003 p->se.nr_migrations); 1004 } else { 1005 avg_per_cpu = -1LL; 1006 } 1007 1008 __PN(avg_atom); 1009 __PN(avg_per_cpu); 1010 } 1011 1012 __P(nr_switches); 1013 SEQ_printf(m, "%-45s:%21Ld\n", 1014 "nr_voluntary_switches", (long long)p->nvcsw); 1015 SEQ_printf(m, "%-45s:%21Ld\n", 1016 "nr_involuntary_switches", (long long)p->nivcsw); 1017 1018 P(se.load.weight); 1019 P(se.runnable_weight); 1020 #ifdef CONFIG_SMP 1021 P(se.avg.load_sum); 1022 P(se.avg.runnable_load_sum); 1023 P(se.avg.util_sum); 1024 P(se.avg.load_avg); 1025 P(se.avg.runnable_load_avg); 1026 P(se.avg.util_avg); 1027 P(se.avg.last_update_time); 1028 P(se.avg.util_est.ewma); 1029 P(se.avg.util_est.enqueued); 1030 #endif 1031 P(policy); 1032 P(prio); 1033 if (task_has_dl_policy(p)) { 1034 P(dl.runtime); 1035 P(dl.deadline); 1036 } 1037 #undef PN_SCHEDSTAT 1038 #undef PN 1039 #undef __PN 1040 #undef P_SCHEDSTAT 1041 #undef P 1042 #undef __P 1043 1044 { 1045 unsigned int this_cpu = raw_smp_processor_id(); 1046 u64 t0, t1; 1047 1048 t0 = cpu_clock(this_cpu); 1049 t1 = cpu_clock(this_cpu); 1050 SEQ_printf(m, "%-45s:%21Ld\n", 1051 "clock-delta", (long long)(t1-t0)); 1052 } 1053 1054 sched_show_numa(p, m); 1055 } 1056 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1365/1365] drivers/gpu/drm/phytium/phytium_debugfs.c:189:34-69: opportunity for str_enabled_disabled(phytium_dp -> panel . backlight_enabled)
by kernel test robot 03 Jan '25

03 Jan '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 4c116febc8d53bc1f8f25a3d60db331f17ab8cd8 commit: cad0702e5286d3cc80afe545de027858b855dd5a [1365/1365] DRM: Phytium display DRM driver config: arm64-randconfig-r064-20250103 (https://download.01.org/0day-ci/archive/20250103/202501030757.m59EWrOL-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202501030757.m59EWrOL-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> drivers/gpu/drm/phytium/phytium_debugfs.c:189:34-69: opportunity for str_enabled_disabled(phytium_dp -> panel . backlight_enabled) >> drivers/gpu/drm/phytium/phytium_debugfs.c:217:30-61: opportunity for str_enabled_disabled(phytium_dp -> panel . power_enabled) >> drivers/gpu/drm/phytium/phytium_debugfs.c:340:35-56: opportunity for str_yes_no(phytium_dp -> has_audio) -- >> drivers/gpu/drm/phytium/phytium_dp.c:1279:10-34: opportunity for str_enable_disable(mode == DRM_MODE_DPMS_ON) -- >> drivers/gpu/drm/phytium/phytium_panel.c:79:10-16: opportunity for str_enable_disable(enable) vim +189 drivers/gpu/drm/phytium/phytium_debugfs.c 179 180 static int phytium_edp_backlight_show(struct seq_file *m, void *data) 181 { 182 struct drm_connector *connector = m->private; 183 struct phytium_dp_device *phytium_dp = connector_to_dp_device(connector); 184 185 if (!phytium_dp->is_edp) 186 return -ENODEV; 187 188 mutex_lock(&phytium_dp->panel.panel_lock); > 189 seq_printf(m, "backlight: %s\n", phytium_dp->panel.backlight_enabled?"enabled":"disabled"); 190 mutex_unlock(&phytium_dp->panel.panel_lock); 191 192 return 0; 193 } 194 195 static int phytium_edp_backlight_open(struct inode *inode, struct file *file) 196 { 197 return single_open(file, phytium_edp_backlight_show, inode->i_private); 198 } 199 200 static const struct file_operations phytium_edp_backlight_fops = { 201 .owner = THIS_MODULE, 202 .open = phytium_edp_backlight_open, 203 .read = seq_read, 204 .llseek = seq_lseek, 205 .release = single_release, 206 }; 207 208 static int phytium_edp_power_show(struct seq_file *m, void *data) 209 { 210 struct drm_connector *connector = m->private; 211 struct phytium_dp_device *phytium_dp = connector_to_dp_device(connector); 212 213 if (!phytium_dp->is_edp) 214 return -ENODEV; 215 216 mutex_lock(&phytium_dp->panel.panel_lock); > 217 seq_printf(m, "power: %s\n", phytium_dp->panel.power_enabled?"enabled":"disabled"); 218 mutex_unlock(&phytium_dp->panel.panel_lock); 219 220 return 0; 221 } 222 223 static int phytium_edp_power_open(struct inode *inode, struct file *file) 224 { 225 return single_open(file, phytium_edp_power_show, inode->i_private); 226 } 227 228 static const struct file_operations phytium_edp_power_fops = { 229 .owner = THIS_MODULE, 230 .open = phytium_edp_power_open, 231 .read = seq_read, 232 .llseek = seq_lseek, 233 .release = single_release, 234 }; 235 236 struct dpcd_block { 237 /* DPCD dump start address. */ 238 unsigned int offset; 239 /* DPCD dump end address, inclusive. If unset, .size will be used. */ 240 unsigned int end; 241 /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ 242 size_t size; 243 /* Only valid for eDP. */ 244 bool edp; 245 }; 246 247 static const struct dpcd_block phytium_dpcd_debug[] = { 248 { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, 249 { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, 250 { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, 251 { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, 252 { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, 253 { .offset = DP_SET_POWER }, 254 { .offset = DP_EDP_DPCD_REV }, 255 { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, 256 { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, 257 { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, 258 { .offset = DP_DEVICE_SERVICE_IRQ_VECTOR, .size = 1 }, 259 { .offset = DP_TEST_REQUEST, .end = DP_TEST_PATTERN }, 260 }; 261 262 static int phytium_dpcd_show(struct seq_file *m, void *data) 263 { 264 struct drm_connector *connector = m->private; 265 struct phytium_dp_device *phytium_dp = connector_to_dp_device(connector); 266 uint8_t buf[16], i; 267 ssize_t err; 268 269 if (connector->status != connector_status_connected) 270 return -ENODEV; 271 272 for (i = 0; i < ARRAY_SIZE(phytium_dpcd_debug); i++) { 273 const struct dpcd_block *b = &phytium_dpcd_debug[i]; 274 size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); 275 276 if (WARN_ON(size > sizeof(buf))) 277 continue; 278 279 err = drm_dp_dpcd_read(&phytium_dp->aux, b->offset, buf, size); 280 if (err <= 0) { 281 DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", 282 size, b->offset, err); 283 continue; 284 } 285 286 seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); 287 } 288 289 return 0; 290 } 291 292 static int phytium_dpcd_open(struct inode *inode, struct file *file) 293 { 294 return single_open(file, phytium_dpcd_show, inode->i_private); 295 } 296 297 static const struct file_operations phytium_dpcd_fops = { 298 .owner = THIS_MODULE, 299 .open = phytium_dpcd_open, 300 .read = seq_read, 301 .llseek = seq_lseek, 302 .release = single_release, 303 }; 304 305 static ssize_t 306 phytium_dp_state_write(struct file *filp, 307 const char __user *ubuf, 308 size_t len, 309 loff_t *ppos) 310 { 311 char tmp[16]; 312 313 if (len >= sizeof(tmp)) 314 return -EINVAL; 315 316 memset(tmp, 0, sizeof(tmp)); 317 if (copy_from_user(tmp, ubuf, len)) 318 return -EFAULT; 319 tmp[len] = '\0'; 320 321 return len; 322 } 323 324 static int phytium_dp_state_show(struct seq_file *m, void *data) 325 { 326 struct drm_connector *connector = m->private; 327 struct phytium_dp_device *phytium_dp = connector_to_dp_device(connector); 328 329 seq_printf(m, "port number: %d\n", phytium_dp->port); 330 seq_printf(m, "source_max_lane_count: %d\n", phytium_dp->source_max_lane_count); 331 seq_printf(m, "max_source_rates: %d\n", 332 phytium_dp->source_rates[phytium_dp->num_source_rates-1]); 333 if (connector->status == connector_status_connected) { 334 seq_printf(m, "sink_max_lane_count: %d\n", phytium_dp->sink_max_lane_count); 335 seq_printf(m, "max_sink_rates: %d\n", 336 phytium_dp->sink_rates[phytium_dp->num_sink_rates-1]); 337 seq_printf(m, "link_rate: %d\n", phytium_dp->link_rate); 338 seq_printf(m, "link_lane_count: %d\n", phytium_dp->link_lane_count); 339 seq_printf(m, "train_set[0]: %d\n", phytium_dp->train_set[0]); > 340 seq_printf(m, "has_audio: %s\n", phytium_dp->has_audio?"yes":"no"); 341 } 342 343 return 0; 344 } 345 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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